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$211+ Cheap flights from Helena to Philadelphia (HLN - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — PHL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Helena to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$597
(United Airlines)

One-way from

$211
(Alaska Airlines)
From Helena to Philadelphia
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One-way flight from Helena to Philadelphia
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Find flight deals from Helena to Philadelphia

Cheapest flights from Helena to Philadelphia
Explore the most affordable flight options available from Helena to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:30 amHLN - PHL
1 stop10h 50mUnited Airlines
Sat 9/273:45 pmPHL - HLN
1 stop24h 24mUnited Airlines
Deal found 9/10$597
This Alaska Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:32 pmHLN - PHL
1 stop8h 15mAlaska Airlines
Mon 12/16:18 pmPHL - HLN
1 stop25h 33mAlaska Airlines
Deal found 9/9$894
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:40 amHLN - PHL
1 stop7h 02mUnited Airlines
Mon 12/13:48 pmPHL - HLN
1 stop23h 59mUnited Airlines
Deal found 9/9$946
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/282:22 pmHLN - PHL
1 stop6h 47mUnited Airlines
Mon 12/16:31 pmPHL - HLN
2 stops21h 16mUnited Airlines
Deal found 9/9$947
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:33 amHLN - PHL
2 stops10h 47mDelta
Mon 12/17:10 amPHL - HLN
1 stop7h 16mDelta
Deal found 9/9$994
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/285:33 amHLN - PHL
2 stops10h 36mDelta
Mon 12/13:00 pmPHL - HLN
2 stops9h 37mDelta
Deal found 9/9$2,369

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Helena to Philadelphia that are best for you.

Fly from

Helena

Fly to

Philadelphia

Route

Depart

Return

Price

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Fri 3/6

12:50 pm-11:26 pm

1 stop8h 36m

Philadelphia

Tue 3/10

7:00 am-12:27 pm

1 stop7h 27m

$513

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Wed 9/24

6:30 am-7:20 pm

1 stop10h 50m

Philadelphia

Sat 9/27

3:45 pm-2:09 pm

1 stop24h 24m

$597

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Fri 11/28

7:32 pm-5:47 am

1 stop8h 15m

Philadelphia

Mon 12/1

6:18 pm-5:51 pm

1 stop25h 33m

$894

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Fri 11/28

2:22 pm-11:09 pm

1 stop6h 47m

Philadelphia

Mon 12/1

6:31 pm-1:47 pm

2 stops21h 16m

$947

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Thu 11/27

5:33 am-6:20 pm

2 stops10h 47m

Philadelphia

Mon 12/1

7:10 am-12:26 pm

1 stop7h 16m

$994

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Fri 11/28

5:33 am-4:56 pm

2 stops9h 23m

Philadelphia

Mon 12/1

7:10 am-12:26 pm

1 stop7h 16m

$994

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Wed 12/31

6:32 pm-5:37 am

1 stop9h 05m

$211

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Fri 11/28

1:06 pm-11:38 pm

1 stop8h 32m

$265

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Mon 12/29

1:06 pm-12:29 am

2 stops9h 23m

$270

HelenaPhiladelphia

HLN - PHL

HLNPHL

Helena

Sun 12/28

1:06 pm-11:56 pm

2 stops8h 50m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 14 results
1
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Best time to book a flight from Helena to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Helena with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helena to Philadelphia

What is the cheapest month to book a flight from Helena to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Helena to Philadelphia (average of $236). Flying from Helena to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Helena to Philadelphia, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Helena to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Helena to Philadelphia?

    There are many flights that can get you from Helena to Philadelphia in 8h 36m. Fly via Delta or United Airlines to get the fastest option. Helena and Philadelphia are separated by a distance of 1887 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Helena to Philadelphia round-trip?

    Our cheapest airline available from Helena to Philadelphia is United Airlines. Our recent data shows that you can find tickets from as low as $543 on this airline.

  • Can I find deals for flights from Helena to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Helena to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Helena to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helena to Philadelphia.

  • Can I find deals for business class flights from Helena to Philadelphia?

    Yes. Cheapflights offers flight deals from Helena to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Helena to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Helena to Philadelphia (average of $236). Flying from Helena to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Vineland
Wildwood
King of Prussia
Pottstown
Reading
Dewey Beach
Ephrata
Camden
Ocean City
Cherry Hill
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

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Alternative routes for Helena to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Helena to Philadelphia

Discover the top airline that operate flights from Helena to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$543Average$617FlexibilityNo cancel feeOn-time69%

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